The current transformer is a device used to measure alternating current. Many people may ask, why to use the current transformer if the current can be measured using a multimeter! Current transformers are mainly used…
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Potential Transformer(PT) | Construction | Types | Applications
We know that measuring high voltages in transmission and distribution systems is not easy. Instrument transformer is used to measure high voltage. The current transformer is used to measure the current of the transmission and…
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Cable Selection of HT Side or High-voltage lines
We know that cable selection is mainly based on circuit breakers. The circuit breaker rating is a little higher than what it is or the cable rating is required at the above rating. However, cable…
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Basbar Calculations and Selection in HT & LT Section-2020
Busbar calculations – Busbar is a copper or aluminum conductor or conveyor bar that collects power from one or a single electrical circuit and supplies or distributes power to one or one electrical circuit. Calculations…
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Cable Selection of LT Side/Low-Voltage Line Easy Methods-2020
Suppose the boss of the office gave you a task that you have to make an electrical cable selection on the LT side or the low voltage side of the substation, what would you do?…
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Speed Control Of DC Motor (Shunt, Series And Compound)
Mostly we want to control the speed of a DC motor on demand. This intentional change of drive speed is known as speed control of dc motor. Speed control of a Direct current motor is…
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Speed Torque Characteristics of D.C Motor-Easy Explain
The performance of a DC motor can be judged by its speed-torque characteristics and a motor for any particular application can be selected easily. In this article, speed-torque characteristics are discussed in detail. DC MOTOR…
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Induction Motor | Why Does The Rotor Rotate | Working Principle
An induction motor also known as an asynchronous motor is a generally used AC electric motor. For an induction motor, the electrical current or AC in the rotor needed to produce torque is gain through electromagnetic induction from the rotating…
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The Load Characteristics Of Alternator | Practical Example
An alternator is an electrical generator that converts energy to power within the sort of electrical energy. For reasons of price and ease, most alternators use a rotating field with a stationary coil. Therefore the…
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Working Principle of Alternator
An alternator is an electrical apparatus which converts mechanical energy into alternating electric energy. They are also called as synchronous generators.working principle of alternator Accordingly, Faraday’s Laws of Electromagnetic Induction, the e.m.f. induced in the…
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